AI models
o3-pro
Published
Jun 10, 2025
o3-pro is an AI model developed by OpenAI (United States), first published in June 2025.
Epoch AI has no training-compute estimate for this model.
Full record
- Organization
- OpenAI
- Country of organization
- United States
Benchmark results
| 01 | Epoch Capabilities Index | ECI Score | 147.9 |
More from OpenAI
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
← All ai models